Single-shot characterization of vector beams by generalized measurements

Al Khafaji, M.A., Cisowski, C.M., Jimbrown, H., Croke, S. , Pádua, S. and Franke-Arnold, S. (2022) Single-shot characterization of vector beams by generalized measurements. Optics Express, 30(13), pp. 22396-22409. (doi: 10.1364/OE.458352) (PMID:36224938)

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Vector vortex beams, featuring independent spatial modes in orthogonal polarization components, offer an increase in information density for emerging applications in both classical and quantum communication technology. Recent advances in optical instrumentation have led to the ability of generating and manipulating such beams. Their tomography is generally accomplished by projection measurements to identify polarization as well as spatial modes. In this paper we demonstrate spatially resolved generalized measurements of arbitrary vector vortex beams. We perform positive operator valued measurements (POVMs) in an interferometric setup that characterizes the vector light mode in a single-shot. This offers superior data acquisition speed compared to conventional Stokes tomography techniques, with potential benefits for communication protocols as well as dynamic polarization microscopy of materials.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Franke-Arnold, Professor Sonja and Padua, Professor Sebastiao and Jimbrown, Harry and Al Khafaji, Mustafa Anwer and Croke, Dr Sarah and Cisowski, Dr Claire Marie
Authors: Al Khafaji, M.A., Cisowski, C.M., Jimbrown, H., Croke, S., Pádua, S., and Franke-Arnold, S.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Optics Express
Publisher:Optical Society of America
ISSN (Online):1094-4087
Published Online:06 June 2022
Copyright Holders:Copyright © 2022 Optical Society of America
First Published:First published in Optics Express 30(13): 22396-22409
Publisher Policy:Reproduced under a Creative Commons License
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Data DOI:10.5525/gla.researchdata.1260

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
190841UK Quantum Technology Hub in Enhanced Quantum ImagingMiles PadgettEngineering and Physical Sciences Research Council (EPSRC)EP/M01326X/1P&S - Physics & Astronomy
309544Exploring Wigner's theorem: Observable quantities and symmetry transformations from the perspective of quantum reference frames.Sarah CrokeLeverhulme Trust (LEVERHUL)RF-2020-397\9P&S - Physics & Astronomy